Command-Line Parameters for the Audio Loop-back Test (Windows Embedded CE 6.0)

1/6/2010

The Audio Loop-back test plays a specified audio file, captures the audio output using a loop-back cable, and saves the captured audio signal to an output file.

Syntax

tux -d loopbacktest.dll -c "{-i PlaybackFilename} {-o CaptureFilename} [-v Volume] [-d deviceID] [-?]"

Command-line parameters

Parameter	Description
loopbacktest.exe	Required. Binary used to run this test.
-c "parameters"	Required. Indicates the command-line parameters for the audio loop-back test.
-i PlaybackFilename	Required. Indicates the path for, and the name of, the file to be played while running this test.
-o CaptureFilename	Required. Name of output file.
-v Volume	Optional. Specifies the volume setting. The low-order word contains the left-channel volume setting, and the high-order word contains the right-channel setting. A value of 0xFFFF indicates full volume, and a value of 0x0000 indicates silence. Note: If a device does not support both left and right volume controls, the low-order word specifies the volume level, and the high-order word is ignored.
-d deviceID	Optional. Identifies the device being tested. The DeviceID is a DWORD. The default value is 0xC000C000 from the source code.
-?	Optional. Launches Help for the command-line parameters for drifttest.exe.

See Also

Other Resources

Audio Loop-back Test